Home / 104,976,131.20-157,464,196.80-100,724,603.20

Finding the Fourth Proportional to 104,976,131.20, 157,464,196.80 and 100,724,603.20

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Solution

The fourth proportional to 104,976,131.20, 157,464,196.80 and 100,724,603.20 is: 151,086,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,131.20 : 157,464,196.80 = 100,724,603.20 : x
  2. Step 2: Convert to fraction form
    104,976,131.20/157,464,196.80 = 100,724,603.20/x
  3. Step 3: Cross multiply
    104,976,131.20x = 157,464,196.80 × 100,724,603.20
  4. Step 4: Simplify right side
    104,976,131.20x = 15,860,518,740,886,712
  5. Step 5: Solve for x
    x = 15,860,518,740,886,712/104,976,131.20
  6. Step 6: Final answer
    x = 151,086,904.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.